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TORONTO — A newly formed umbrella group representing Toronto’s increasingly bold cabbies is threatening strike action that would trip up the NBA All-Star Game weekend, as the taxi industry’s war against Uber and the city’s handling of the ride-sharing startup continues to escalate.

In response, Mayor John Tory said a traffic-snarling protest may face police enforcement to keep roads clear.

Paul Sekhon with the United Taxi Workers Association said disruptions like December’s street protest — which saw taxis block traffic, including some emergency vehicles, outside city hall — may happen again as basketball stars hit the court.

And the strike will be aimed squarely at Tory, who Sekhon accused of refusing to enforce the taxi laws against “illegal” UberX drivers.

“What’s going to happen this weekend is due to the mayor,” he said Monday.

“We can’t have the city kind of closed down in that kind of manner, and the law enforcement officials will have to take whatever steps they deem to be appropriate if that sort of thing is engaged in again,” Tory said.